diff --git a/supplement/competetion-result.html b/supplement/competetion-result.html
index 2557075..1241433 100644
--- a/supplement/competetion-result.html
+++ b/supplement/competetion-result.html
@@ -84,7 +84,6 @@
                     <th></th>
                     <th>Score</th>
                     <th>Submit Count</th>
-                    <th>Last Submit</th>
                     <th>Shake</th>
                 </tr>
             </thead>
diff --git a/supplement/leaderboard.js b/supplement/leaderboard.js
index a4b7cb2..bf6c3f5 100644
--- a/supplement/leaderboard.js
+++ b/supplement/leaderboard.js
@@ -54,11 +54,6 @@ const createRowElement = (item) => {
     submitCountCell.style.color = '#e06c75';
     row.appendChild(submitCountCell);
 
-    const lastSubmitCell = document.createElement('td');
-    lastSubmitCell.textContent = item.lastsubmit;
-    lastSubmitCell.style.color = '#d19a66';
-    row.appendChild(lastSubmitCell);
-
     const shakeCell = document.createElement('td');
     shakeCell.textContent = item.shake;
     shakeCell.style.color = item.shake.includes('↑') ? 'green' : item.shake.includes('↓') ? 'red' : '#abb2bf';